To cite package ‘documentosbr’ in publications use:

  Coelho G, Mation L (2026). _documentosbr: Validate Brazilian
  Administrative Registers - Valida Documentos_. R package version
  0.2.1, <https://github.com/ipea/documentosbr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {documentosbr: Validate Brazilian Administrative Registers - Valida Documentos},
    author = {Gustavo Coelho and Lucas Mation},
    year = {2026},
    note = {R package version 0.2.1},
    url = {https://github.com/ipea/documentosbr},
  }